Last Minute Flights from Ontario

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Fare calendar for the next 30 days
Fare calendar for the next 30 days

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* Rates are in CAD and based on historical search data, subject to change. GoLastMinute is a travel comparison site and does not sell tickets. Prices and availability are provided by partners and may not be available for your departure city. $69+ CAD sample rate based on a roundtrip fare from SAN to PHX from 06/05/2026 - 06/08/2026, found on 05/24/2026 with Frontier Airlines for $63 CAD.

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Last Minute Flight Deals from Ontario to Anywhere

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Chicago
$235+
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Boise
$274+
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Las Vegas
$288+
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Nashville
$296+
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Guadalajara
$368+
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Dallas
$379+
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Phoenix
$380+
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San Francisco
$388+
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Reno
$402+
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Seattle
$417+
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Oakland
$420+
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San Antonio
$425+
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Seattle
$425+
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Denver
$426+
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Salt Lake City
$427+
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Guadalajara
$427+
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Las Vegas
$225+
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Chicago
$238+
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San Francisco
$287+
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Oakland
$315+
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Boise
$322+
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Sacramento
$330+
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Dallas
$343+
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Bozeman
$347+
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San Antonio
$354+
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Seattle
$355+
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Salt Lake City
$355+
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Denver
$355+
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Austin
$356+
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Oklahoma City
$356+
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Phoenix
$359+
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Houston
$387+
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Last Minute Flight Deals from Ontario to Top Cities

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Las Vegas
$33+
Nov 17 – Nov 18
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Denver
$57+
Nov 18 – Nov 26
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San Francisco
$61+
Nov 16 – Nov 23
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Phoenix
$87+
Nov 14 – Nov 17
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Dallas
$93+
Nov 13 – Nov 16
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Los Angeles
$132+
Nov 9 – Nov 16
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Seattle
$139+
Nov 19 – Nov 24
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Atlanta
$159+
Nov 13 – Nov 17
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Nashville
$175+
Nov 17 – Nov 23
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Orlando
$185+
Nov 14 – Nov 18
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Tampa
$198+
Nov 11 – Nov 18
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Miami
$204+
Nov 13 – Nov 26
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Airports in and nearby Ontario

The most commonly used airport near to Ontario is Ontario International (ONT), which is 2.75 kilometers from the center of the city.

Where can I go from Ontario International (ONT)?

People search the most for flights from Ontario to Las Vegas, Seattle, and Phoenix.

How to find the cheapest flights from Ontario?

The GoLastMinute Canada Fare Calendar is a great tool to find the best prices.